Assessment of Hearing Disability Guidelines for Medicolegal Practice [Paperback]

This is the report of the Inter-Society Working Group on Hearing Disability, which was founded in 1986 and completed its work in 1991. The report proposes a method for the quantification of hearing disability resulting from hearing impairment for the purposes of description and compensation, with particular reference to noise-induced hearing deficit. The book will be of interest to medical specialists concerned with the assessment of hearing disability as well as to legal professionals dealing with compensation claims in this area and to those with an academic interest in disability assessment.Part 1.

Introduction.

Historical Background and Terms of Reference.

Rationale and Philosophy, Scope and Report.

Part 2.

Definitions Particular to this Report.

Part 3.

Technical Background.

General, Surrogate Measures of disability.

Characterization of The Concept of Hearing Disability.

Scale relation Between Autiometric Impairment and Disability.

The low Fence and The high Fence.

Differential Weighting of The two Ears.

Age-associated Hearing loss.

Part 4.

Audiometric Equipment.

Equipment for Air-conduction Audiometry.

Equipment for Bone-conduction Audiometry.

Additional Equipment.

Equipment required for Calibration of Audiometers.

Quality Assurance.

Quality Assurance - general.

Principles of Calibration.

Procedures.

Background Noise Requirements for The Test Room.

Specific Recommendations Applicable to Audiometry for disability Assessment.

Part 5.

Determining Hearing Threshold Levell“~